iOS 9.9.15.0 (build 19A346) is an official Apple over-the-air update for the iPhone 8 Plus (GSM), released on 2021-09-20T17:13:53Z. The update package is 4.46 GB. This is a full OTA update that can be applied from any compatible base version. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: cb1804fed9da101f41ac597b5b6dedb3a7218f3b.zip.